diff --git a/srsenb/src/stack/mac/scheduler.cc b/srsenb/src/stack/mac/scheduler.cc
index 38921f2c5..4ad2314d8 100644
--- a/srsenb/src/stack/mac/scheduler.cc
+++ b/srsenb/src/stack/mac/scheduler.cc
@@ -261,7 +261,7 @@ uint32_t sched::get_dl_buffer(uint16_t rnti)
   uint32_t ret = 0;
   if (ue_db_access(rnti, [&ret](sched_ue& ue) { ret = ue.get_pending_dl_new_data(); })) {
     Error("Error calling get_dl_buffer, user not found\n");
-    ret = -1;
+    ret = SRSLTE_ERROR;
   }
   return ret;
 }
@@ -269,10 +269,10 @@ uint32_t sched::get_dl_buffer(uint16_t rnti)
 uint32_t sched::get_ul_buffer(uint16_t rnti)
 {
   // TODO: Check if correct use of last_tti
-  uint32_t ret = 0;
+  uint32_t ret = SRSLTE_SUCCESS;
   if (ue_db_access(rnti, [this, &ret](sched_ue& ue) { ret = ue.get_pending_ul_new_data(last_tti); })) {
     Error("Error calling get_ul_buffer, user not found\n");
-    ret = -1;
+    ret = SRSLTE_ERROR;
   }
   return ret;
 }